Advantages (+) and disadvantages (−) of face and nasal mask
| Clinical aspect | Face mask | Nasal mask |
| Mouth leak and mouth breathing | + | − |
| Influence of dental status | + | − |
| Airway pressure | + | − |
| Dead space | − | + |
| Communication | − | + |
| Eating, drinking | − | + |
| Expectoration | − | + |
| Risk of aspiration | − | + |
| Risk of aerophagia | − | + |
| Claustrophobia | − | + |
| Comfort | − | + |